CVE-2025-5573 in DCS-932L
Summary
by MITRE • 06/04/2025
A vulnerability was found in D-Link DCS-932L 2.18.01. It has been rated as critical. Affected by this issue is the function setSystemWizard/setSystemControl of the file /setSystemWizard. The manipulation of the argument AdminID leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
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Analysis
by VulDB Data Team • 06/06/2025
The CVE-2025-5573 vulnerability represents a critical command injection flaw in D-Link DCS-932L security cameras running firmware version 2.18.01. This vulnerability resides within the setSystemWizard/setSystemControl functionality of the /setSystemWizard endpoint, where improper input validation allows attackers to inject malicious operating system commands through the AdminID parameter. The flaw stems from inadequate sanitization of user-supplied data, creating a direct pathway for arbitrary command execution on the affected device. The vulnerability is particularly concerning as it can be exploited remotely without requiring authentication, making it accessible to any attacker who can reach the device's network interface.
The technical implementation of this vulnerability follows CWE-77 principles related to command injection, specifically manifesting as an os command injection flaw where attacker-controlled input flows directly into system execution contexts. The attack vector operates through the web interface of the security camera, leveraging the improperly validated AdminID argument to execute arbitrary commands with the privileges of the web server process. This type of vulnerability falls under the ATT&CK technique T1059.001 for command and script injection, enabling threat actors to potentially gain full control over the device. The exploitation process involves crafting malicious input that bypasses normal input validation mechanisms and gets interpreted as executable commands by the underlying operating system.
The operational impact of this vulnerability extends beyond simple device compromise, as the DCS-932L camera serves as a network monitoring device that could provide attackers with persistent access to network segments where it resides. Once exploited, attackers can potentially use the compromised camera as a pivot point for further network reconnaissance, lateral movement, or as a command and control node for broader attacks. The vulnerability's remote exploitability means that attackers do not need physical access or network credentials to compromise the device, significantly increasing the attack surface. The fact that this vulnerability affects end-of-life products compounds the risk as users cannot receive official security patches or updates to address the flaw.
Organizations must implement immediate mitigation strategies to protect against this vulnerability, including network segmentation to isolate affected devices from critical network segments, disabling unnecessary network services, and implementing firewall rules to restrict access to the device's web interface. The recommended approach involves deploying network monitoring solutions to detect suspicious command execution patterns and ensuring that affected devices are either patched through unofficial firmware updates or physically secured in isolated network zones. Security teams should also conduct comprehensive network scans to identify all instances of the affected DCS-932L devices and implement intrusion detection measures to monitor for exploitation attempts. Given that the device is no longer supported, organizations should plan for immediate replacement of these vulnerable units to eliminate the risk of exploitation.